The '''Federal Civil Defense Administration''' (FCDA) was organized by President Harry S. Truman
on December 1,1950 through Executive Order 10186, and became an official government agency via the Federal Civil Defense Act of 1950 on 12 January 1951.[https://facultystaff.richmond.edu/~wgreen/Ecdtruman.htm Civil Defense: The Truman Administration (Entry 0113)] from ''The Electronic Encyclopaedia of Civil Defense and Emergency Management'' edited by Walter G. Green III In 1958 the FCDA was superseded by the Office of Civil and Defense Mobilization
when President Dwight D. Eisenhower
merged the FCDA with the Office of Defense Mobilization
.[https://facultystaff.richmond.edu/~wgreen/Ecdeisenhower.htm Civil Defense: The Eisenhower Administration (Entry 0107)] from ''The Electronic Encyclopaedia of Civil Defense and Emergency Management'' edited by Walter G. Green III
In its early years, the agency focused on evacuation as a strategy.
The FCDA was first headed...